August 2006
Beginner to intermediate
272 pages
3h 28m
English
Content preview from JavaScript™ Phrasebook: Essential Code and CommandsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 3. Images and Animations
In the early days of the Web, one of the first effects done with JavaScript was image manipulation. A classical example was hover images: Hover the mouse pointer over an image and its appearance changes.
Netscape introduced JavaScript access for images in browser version 3. At that time, Internet Explorer 3 for Windows was in beta, so it was too late for this capability. However, Internet Explorer 3 for Macintosh was released after the Windows version, giving the Microsoft engineers enough time to add JavaScript image access to IE Mac. Beginning with IE 4, the Microsoft browser can access images as well, as do all other relevant browsers.
This allows not only nice graphical effects but also more sophisticated applications ...
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